Gas-engine primer.



i. l. AUM..

GAS ENGINE PRWEB.

APPUCATION min ma. 21, 1915.

Qklfe Patentedsept. 18,1917.

3. ULL, GF .CINCNNATL CHM), ASSIGNGR T THE LUNKEEE'EEMER Gl'# PANY, FGHICINNATL GHIO, A CORPOBATGN F @mil G'AS-ENG-ENE PRIMER.

Penenlzed fill., will?.

.Application led Merch 27, 1.915. Serie! l'o. 117,369.

3.1 invention relates to gas engine primers ne ype wherein a small pumpis mount on the dash eoardof en automobile and "Mous fuel .into theengine cylinders prenery 'lo sterling the engine ishereof. The

.i perle o' bhe invention, and alley alone hewn and described. iseroublesonie in primers of l'his type "ovide e simple and secure meansof ing the primer closed to prevent; vany ge during, the normaloperation of'the rlne., and thus the admission of an over )ply of gasto: elle engine. Furthermore en locking means as is provided shouldquick and sensible to the touch so that operator can tell when theprimer is .osed by the feel, and so that lie can ecplish the closurewith a partiel lern Zie plunger heed.

se obiecls and other advantages. es De mentioned ss'the description prolaccomplish by that certain conlion end arrangement of parts to beeinefter more speeiically pointed ourJ claimed, wherein a spring pin isprocd lo close the primer, and the primer Slinger een ':hereore bedepressed alter pin is sented and heldl 'oy the spring; lzereof againstWorking" free from a simple i. collet device which is provided Withinthe lling bor; of the plunger. f

ln the drawings, Figure 1 is a'side elevation of the primer. Fig. 2 is a,central longitudinal section 'lhereo Y Fig. 3 is a cross section on thelines 3, 3,

Fig. 2.

l an elevation of the inner end oi? the primer.

Fig. 5 is enlarged lonfnudinel section 'lie onneced up so as to force espray of' o sione and its mounting erellie essen- Fig. 6 is a frontelevnlion o' box. i

The cylinder l of the device is provided with screw-threads on which erescrewed the dash board nues 2 and 3. These' nts are adapted to engageone on one sidf` wendl the other on the other side or" the entende# biledash fl, to hold the cylinder in piece en the said dash Within'ea-syreach of lie operster of the machine. 'A plunger .5 having a knurledoperating heed 6, is mounted in the cylinder so theft il, een hereciproeased lili to force e spray of ,qa-soleils ini lelie nieni.-

fold or any desiredperl'. oro elle engine of the cer-(not shown).

A fitting 7 is provided which is prelersblgf soldered ono the end or'the cylinder. This litting has a central chamber 8 surrounded byshoulder 9 to abut the cylinder, and lies an inlet pori'. 10 and anoutlet pori? il. A lubular'extension l2 of the ittlng has communicationwith the inlet pori; end has n small ball check 13 and a screwtlireadedend ll to receive a, small union coupling l5.

avided and adapted to screw into the open end of the extension l2.

Another extension 1,7 formed in itting which communicates with ellecules port. above mentioned. and ellis enension has a. `likescrewthreaded porlion 3.8 for ille union coupling 19. and lies likewises. ehe-ol; 20. The check plus 2l. ci this ene, how- .As is cusornary,the checlr plug 16 is 'proever, enters et right angles lo elle tubularextension. lt is desired for purposes of clearance to lieve elleener-lures yfor 'nlie 'check plugs undercue e622 (Fig. El).

The inner end of elle plunger is bored ourJ et Q4, and s springs 2o ismounted in the bored out portion. The pin 2li lies a disk 27 to slide inlie bored oni; pcrion, sind a cap :28 leaving an aperure lslirougliwhich the pin passes and-is guided., is secured over the end of theplunger., preferably by @breeding seid cec and plunger. The cap .alsoholds the disk at the end of elle ein from coming out of the plunger,and lie 'pin is of a length thai; it will seele in lie inlet, port 1Gend close it oil' lielore the plunger is pushed into locking position asWill be described.

A Stalling box 29 is screvvthreaded ontolghe outer end of elle plungerand packing 30 lil@ iaV

3l as is customary. The box has a flange 3L) at its outer extremity,oft' asize to fit the plunger and has a notch 15S-cut in it to receivethe pin *2-l on the plunger, The {iange around this notch is bentinwardly at 34?, 3l, so as to form a ratchet which will engage the pinonce it' is pushed through ythe notch and given a slight turn so as toiride over the inward extension. A washer 31a, seated in the end of thecylinder, contines the packing, and also serves as a stop for theplunger by presenting an abutment to the edge of the cap 2S.

flhe depression on the outside also servers;

to guide the pin into thenotch by touch, the ratchet within also tellingby-'touch when the plunger is lockedin, and prevent-l with a cylinder, aplunger therefor, the cylinder provided with a port, means for closingthe port, means for mounting the port closing means in the plunger so asto be mov- .p'oi-t, said means beingv extensible and' spring-pressed so'as to allow movement of the plunger after the said meansis in closinging the pin from riding by the notch when' it is desired to release theplunger.

'It can thus be readily ap4 reciated that when it is desired to operatetieprnner; the

plungeiis released and pushed in and entf.

drawing liquid fuelin through` the inlet port and forcing it out"through the outlet. Then itis desired to lock the primer, the plunger ispressed in so that the liaiige and pin engage each other and turneduntil the pin4 rides down through the notch in the flange. By this timethe "pin will'liave".

been brought to its seat the disk 27 will have been forced up in thebored out portion of the plunger. The plunger is turned slightly atthisjunctureso that the c pin will ride over the ratchet formed withinthe flange and the spring will prevent tlie plunger from jarring loosebecause it will work against the ratchet in its tendency to force theplunger outwardly.

ln the/absence of the ratchet, the spring will serve as' aineans forpreventing the plunger from jarring out, and if the 'ratchet wereomitted, a partially practical device would be furnished by reason-ofthe spring.

.in the bored out portion, and a spring in position andjmeans forlocking the plunger, said port closing means adapted to seat bevfore thelock takes effect in the operation of the plunger.

4. ln a device of the character described, in combination with'acylinder and a 'plunger therefor, the cylinder provided with a port, abored out-portion in said plunger, a meansfor closing'said port slidablymounted said bored out portion to hold said means in extended positionand means for locking the plun er, said port closing means adapted toseat efore the lock taires eect in the operation vott the plunger. c

5. In a device of the character described, in combination with acylinder and a'plunger therefor,r the cylinder provided with a port,means on the plunger for closing said gaa port, saidineans beingextensible and springpressed so as to allow movement oi the plun- `gerafter the said means is in closing posil tion, a pin on the plunger, anda flange hav- Ho'wever, the ratchet is an additional se-.

curity as wel] as a considerable convenience.

Reference to specific details of construction without'mentioningalternative structures is not done with intent to limit the Aclaims thatfollow. said claims being intended to cover all mechanical equivalentswhere their wording does not specifically negative such' intent.

l-laving thus described my invention, what l claim as new and desire tosecure by Let- .ters Patent, is f l.. In a gas engine primer, incombination with a cylinder', a plunger therefor, the cylinder providedwith a port, means'for closing the port and means for mounting the portclosing means in the plunger so as to be movable therein and means forlocking the plunger, said port closing means adaptl ed to seat beforethe lock takes eifect in the operation of the plunger.

2. In a. gas engine primer, in combination ing a notch to engage posedescribed.

6".' in a device of the character described, in combination with acylinder and a. plunger thereionthe cylinder provided with a.

port` nieans on the plunger -lor closing said 11a port, said means beingextensible and springpressedv so as to allow movement of the plungerafter the said means is in closing position. a pin onvthe plunger, aflange to engage said pin, providedv with a notch il@ whereby said pinmay be inserted thereunder, and a depression around said notch, for thepurpose described.

7. In a device of the character described,

in combination with a cylinder and a plun- 12o ger therefor. thecylinder provided with a. port. a bored out portion in said plunger, ameans for closing said port slidablyniounted in the bored out portion,`and a yspring in said bored out portion to hold said means in extendedposition, a pin on the plunger, and a flange having a notch to engagesaid pin.

for the purpose described.

8. 'in a device of the charactelrdesoribed,

lin combination with a cylinder and a lplun- 1342i``v said pin, for thepurm5 Civ medion ger therefor, the cylinder provided With a port, :ibored out portion in Said plunger, a means for closing said portslidzibiy mounted in the bored outJ portion, a spring in said bored outportion tohoid the said `inemis in extended position, a pin ,on theplunger, a Harige to engage said pin, provided with a notch in the{ia-nge whereby the pin may be inserted thereunder, endeu depressionaround said notch, for Jche purpose described.

9. in u device of the character described, in combination with ncyiinderfand a piunn ger iherefor, the cylinder provided with a port, :ibored out portion in Said plunger, a pin :for closing said port siidablymounted in the. bored out portion, a, spring in said bored out portionto hoid said pin in extended position', :i pin on the plunger, e flangeto engage Said pin provided with. a notch in the flange whereby the' pinmay be inserted thereunder, and a depression around said notch, for thepurpose described.

JEROME J. AULL. TWitnesses:

FRANK J. ENGLEE, R'VIN A. @Rrr-i.

